Fix lints

aya-obj/src/btf/types.rs

@@ -799,9 +799,10 @@ impl DeclTag {
     }
 }
 
-#[derive(Copy, Clone, Debug, Eq, PartialEq)]
+#[derive(Copy, Clone, Debug, Eq, PartialEq, Default)]
 #[repr(u32)]
 pub enum BtfKind {
+    #[default]
     Unknown = 0,
     Int = 1,
     Ptr = 2,
@@ -879,12 +880,6 @@ impl Display for BtfKind {
     }
 }
 
-impl Default for BtfKind {
-    fn default() -> Self {
-        BtfKind::Unknown
-    }
-}
-
 unsafe fn read<T>(data: &[u8]) -> Result<T, BtfError> {
     if mem::size_of::<T>() > data.len() {
         return Err(BtfError::InvalidTypeInfo);

aya-obj/src/maps.rs

@@ -81,9 +81,10 @@ pub struct BtfMapDef {
 /// Upon pinning a map, a file representation is created for the map,
 /// so that the map can be alive and retrievable across sessions.
 #[repr(u32)]
-#[derive(Copy, Clone, Debug, PartialEq, Eq)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq, Default)]
 pub enum PinningType {
     /// No pinning
+    #[default]
     None = 0,
     /// Pin by the name
     ByName = 1,
@@ -112,12 +113,6 @@ impl TryFrom<u32> for PinningType {
     }
 }
 
-impl Default for PinningType {
-    fn default() -> Self {
-        PinningType::None
-    }
-}
-
 /// Map definition in legacy BPF map declaration style
 #[allow(non_camel_case_types)]
 #[repr(C)]

aya-obj/src/obj.rs

@@ -1463,7 +1463,6 @@ mod tests {
             map_flags: 5,
             id: 0,
             pinning: PinningType::None,
-            ..Default::default()
         };
 
         assert_eq!(
@@ -1482,7 +1481,6 @@ mod tests {
             map_flags: 5,
             id: 6,
             pinning: PinningType::ByName,
-            ..Default::default()
         };
 
         assert_eq!(parse_map_def("foo", bytes_of(&def)).unwrap(), def);
@@ -1498,7 +1496,6 @@ mod tests {
             map_flags: 5,
             id: 6,
             pinning: PinningType::ByName,
-            ..Default::default()
         };
         let mut buf = [0u8; 128];
         unsafe { ptr::write_unaligned(buf.as_mut_ptr() as *mut _, def) };
@@ -1529,7 +1526,6 @@ mod tests {
                         map_flags: 5,
                         id: 0,
                         pinning: PinningType::None,
-                        ..Default::default()
                     })
                 ),
                 "foo"
@@ -1664,7 +1660,7 @@ mod tests {
         buf.extend(&map_data);
         buf.extend(&map_data);
         // throw in some padding
-        buf.extend(&[0, 0, 0, 0]);
+        buf.extend([0, 0, 0, 0]);
         buf.extend(&map_data);
         assert_matches!(
             obj.parse_section(fake_section(BpfSectionKind::Maps, "maps", buf.as_slice(),)),
@@ -2198,7 +2194,6 @@ mod tests {
                     map_flags: BPF_F_RDONLY_PROG,
                     id: 1,
                     pinning: PinningType::None,
-                    ..Default::default()
                 },
                 section_index: 1,
                 symbol_index: 1,

aya-obj/src/programs/cgroup_sock.rs

@@ -7,26 +7,19 @@ use crate::{
 };
 
 /// Defines where to attach a `CgroupSock` program.
-#[derive(Copy, Clone, Debug)]
+#[derive(Copy, Clone, Debug, Default)]
 pub enum CgroupSockAttachType {
     /// Called after the IPv4 bind events.
     PostBind4,
     /// Called after the IPv6 bind events.
     PostBind6,
     /// Attach to IPv4 connect events.
+    #[default]
     SockCreate,
     /// Attach to IPv6 connect events.
     SockRelease,
 }
 
-impl Default for CgroupSockAttachType {
-    // The kernel checks for a 0 attach_type and sets it to sock_create
-    // We may as well do that here also
-    fn default() -> Self {
-        CgroupSockAttachType::SockCreate
-    }
-}
-
 impl From<CgroupSockAttachType> for bpf_attach_type {
     fn from(s: CgroupSockAttachType) -> bpf_attach_type {
         match s {